Surname คำสาร (Word 
, คำสาร, Khamsarn 
) , in the entire world, is quite a common cognomen. The last name คำสาร is habitual in Myanmar, where it is quite a rare surname, Ghana, and the United States. In absolute terms, the name is most common in the United States, Myanmar, and Indonesia. Much less frequently, คำสาร is the forename as well as the last name.